New Jersey Door Works, Inc.

Track Selection Guide

 

Track Selection Guide and General Operating Clearances

New Jersey Door Works offers this guide to assist you with track selection for commercial / industrial overhead doors.

track selection guide 1

track selection guide 2

General Operating Clearances

 

Type

Headroom Sideroom Depth Into Room Center Line of Springs
2" track 3" track 2" track 3" track 2" & 3" track 2" track 3" track
Standard Lift Manual 16½" 20" 4½" 5½" Opening Height
+ 18"
Opening Height
+ 13½"
Opening Height
+ 15½"
Standard Lift
Motor Oper.
19" 22½" 4½" 5½" Opening Height
+ 66"
High Lift Manual High Lift = 12" 4½" 5½"

Opening Height -
Lift + 30"

Opening Height -
Lift + 6½"
Opening Height -
Lift + 7½"
High Lift Motor Oper. High Lift = 12"

24" One Side

Opening Height -
Lift + 30"

Vertical Lift Manual

Door Height + 8"

4½" 5½" 18"

Double Opening
Height + 2"

Vertical Lift Motor Oper.

24" One Side

18"
Low Headroom Manual 6½" 11" 6" 9" Opening Height
+ 30"

Does Not Apply

Low Headroom Motor Oper. 9" 13½" 6" 9" Opening Height
+ 78"


© 2004 New Jersey Door Works, Inc.
www.njdoorworks.com       Tel:  908-624-1234      Fax: 908-686-8845